WakeOnLANx

WakeOnLANx is truly the best and simplest free wake on LAN tool available. In addition to being able to initiate wake on LAN for your entire network of computers with just a couple clicks, it also enables you to initiate remote reboots and remote shutdowns. There is an integrated pinging utility that lets you easily see the status of your machines as they go offline and come back online.

If you need to remotely deploy software, third-party patches or Windows Updates, or if you need to remotely execute scripts or retrieve information from your entire network of computers all from a single console, then check out BatchPatch!